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Since 1976, Brazil has made it mandatory that all automobiles run on a blend of 25% ethanol and 75% hydrocarbon based petroleum. This blend is called e25. Using the total yearly production of bioethanol (22.9 billion) by the U.S, How many gallons of E25 could be made by dilution? About how many cars does this fill at 13.0 gallons per car?

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